resources, onshore and offshore, remain undeveloped. Kuuskraa said 8 of the top 12 gas fields in the US are now unconventionalfields . He said more-advanced knowledge and improved technology are increasing recovery rates from unconventional

resources, onshore and offshore, remain undeveloped. Kuuskraa said 8 of the top 12 gas fields in the US are now unconventionalfields . He said more-advanced knowledge and improved technology are increasing recovery rates from unconventional